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37×99简便计算

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37×99简便计算: 37×99 =37×(100-1) =37×100-37×1 =3700-37 =3663 祝楼主学习天天进步!

=(100-1)×37 =100×37-37 =3700-37 =3663

99X37 =(100-1)X37 =100X37-1X37 =3700-37 =3663

3700提取公因数

37×99+37简便运算 =37×(99+1) =37×100 =3700

37.4×99=37.4×(100-1)=37.4×100-37.4=3740-37.4=3702.6

37*(99+1)=37*100=3700

37×99+37+63×99 =(37+63)×99+37 =100×99+37 =9900+37 =9937

37×99+37+63×99 =99×(37+63)+37 =99×100+37 =9000+37 =9037

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